/*
    Copyright (C) 2014-2019 de4dot@gmail.com

    This file is part of dnSpy

    dnSpy is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    dnSpy is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with dnSpy.  If not, see <http://www.gnu.org/licenses/>.
*/

using System;

namespace dnSpy.Contracts.App {
	/// <summary>
	/// Contains an <see cref="IMessageBoxService"/> instance
	/// </summary>
	public static class MsgBox {	// "MessageBox" is used by WPF
		/// <summary>
		/// Gets the <see cref="IMessageBoxService"/> instance
		/// </summary>
		public static IMessageBoxService Instance {
			get => messageBoxService ?? throw new InvalidOperationException();
			internal set {
				if (messageBoxService is not null)
					throw new InvalidOperationException();
				messageBoxService = value ?? throw new ArgumentNullException(nameof(value));
			}
		}
		static IMessageBoxService? messageBoxService;
	}
}
